Purpose:The purpose of this test is to see if the fuel system is getting sufficient clean fuel to start and run. Recommended Procedure:Route a hose from the fuel drain line to a clear container and open the drain. Crank the engine and observe the fuel flowing into the container. Stop cranking the engine when the container is half full. Observe the WATER IN FUEL lamp while … [Read more...] about Sufficient Clean Fuel
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Starting Procedure – After Extended Shutdown or Oil Change
Complete the following steps after each oil change, or after the engine has been shut off for more than 30 days to make sure the engine receives the correct oil flow through the lubricating oil system: Disconnect the electrical wire from the fuel pump solenoid valve.Rotate the crankshaft, using the starting motor, until oil pressure appears on the gauge, or the … [Read more...] about Starting Procedure – After Extended Shutdown or Oil Change
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Rough Idle, Warm Engine
CauseCorrectionIdle Speed Too LowCheck / adjust low idle screw setting.OKAir in Fuel SystemBleed the fuel system and check for suction leaks.OKMalfunctioning Fuel Return Overflow ValveCheck / replace fuel return overflow valve.OKFuel Transfer Pump MalfunctioningCheck / replace fuel transfer pump.OKInjection Pump Timing IncorrectCheck / correct injection pump timing.OKInjector … [Read more...] about Rough Idle, Warm Engine
Retrieve / Clear Continuous DTCs
Purpose:To determine if the PCM has detected any historical or intermittent fault conditions that would cause a hard start/no start symptom. The condition that caused a continuous DTC may no longer exist. Recommended Procedure: Perform the necessary vehicle preparation and visual inspection. Connect the OBDII Scan Tool / Tester to the DLC under the dash. Turn … [Read more...] about Retrieve / Clear Continuous DTCs